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charset=us-ascii Content-Disposition: inline tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-6.6 head: f5002a03972c582b24af87ac1e3c5ffecb07573f commit: 71e4fcb288df366078213ba4fcf976f12a14d5e2 [99/99] FROMLIST: mailbox: Add power_get/power_put API to mbox_chan_ops config: x86_64-buildonly-randconfig-003-20241230 (https://download.01.org/0day-ci/archive/20241230/202412302042.bAcoc56F-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241230/202412302042.bAcoc56F-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202412302042.bAcoc56F-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/mailbox/mailbox.c: In function '__mbox_bind_client': >> drivers/mailbox/mailbox.c:382:32: warning: returning 'void *' from a function with return type 'int' makes integer from pointer without a cast [-Wint-conversion] 382 | return ERR_PTR(ret); | ^~~~~~~~~~~~ vim +382 drivers/mailbox/mailbox.c 355 356 static int __mbox_bind_client(struct mbox_chan *chan, struct mbox_client *cl) 357 { 358 struct device *dev = cl->dev; 359 unsigned long flags; 360 int ret; 361 362 if (chan->cl || !try_module_get(chan->mbox->dev->driver->owner)) { 363 dev_dbg(dev, "%s: mailbox not free\n", __func__); 364 return -EBUSY; 365 } 366 367 spin_lock_irqsave(&chan->lock, flags); 368 chan->msg_free = 0; 369 chan->msg_count = 0; 370 chan->active_req = NULL; 371 chan->cl = cl; 372 init_completion(&chan->tx_complete); 373 374 if (chan->txdone_method == TXDONE_BY_POLL && cl->knows_txdone) 375 chan->txdone_method = TXDONE_BY_ACK; 376 377 spin_unlock_irqrestore(&chan->lock, flags); 378 379 if (chan->mbox->ops->power_get) { 380 ret = chan->mbox->ops->power_get(chan); 381 if (ret < 0) > 382 return ERR_PTR(ret); 383 } 384 385 if (chan->mbox->ops->startup) { 386 ret = chan->mbox->ops->startup(chan); 387 388 if (ret) { 389 dev_err(dev, "Unable to startup the chan (%d)\n", ret); 390 mbox_free_channel(chan); 391 return ret; 392 } 393 } 394 395 return 0; 396 } 397 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki